Finding the Fourth Proportional to 3,199,993,209.36, 4,790,426,450.16 and 1,935,630,971.43
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Solution
The fourth proportional to 3,199,993,209.36, 4,790,426,450.16 and 1,935,630,971.43 is: 2,897,661,712.58
Step by Step Solution
- Step 1: Write the proportion equation
3,199,993,209.36 : 4,790,426,450.16 = 1,935,630,971.43 : x - Step 2: Convert to fraction form
3,199,993,209.36/4,790,426,450.16 = 1,935,630,971.43/x - Step 3: Cross multiply
3,199,993,209.36x = 4,790,426,450.16 × 1,935,630,971.43 - Step 4: Simplify right side
3,199,993,209.36x = 9,272,497,803,287,166,976 - Step 5: Solve for x
x = 9,272,497,803,287,166,976/3,199,993,209.36 - Step 6: Final answer
x = 2,897,661,712.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.